J3 University

Everyone says insulin is the secret to getting huge, but is it actually necessary? In this episode, we break down the real role of insulin in bodybuilding, why many athletes are using it less than ever, and what actually drives muscle growth, nutrient partitioning, and offseason progress. We also discuss the few situations where insulin may make sense, plus the biggest mistakes that are destroying progress long before insulin becomes relevant. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum 👨‍⚕ Marek HealthComprehensive blood work analysis and professional medical guidance10% off your first comprehensive J3U panel + additional markersCode: J3UAffiliate link: https://marekhealth.com/J3U Follow Luke https://www.instagram.com/noswitchfitness?igsh=MTQydDN2bzF4c3oxYw== Follow Johnhttps://www.instagram.com/johnjewett3?igsh=cDgyd2N2YnI1dXoy

How do you know when it’s time to move up a bodybuilding division—or if you’re competing in the wrong one entirely? In this episode, we break down how to choose the right bodybuilding division based on structure, physique potential, health, and long-term progress. We also talk through the hard reality of staying in a division too long, the mental side of chasing wins, and when moving up could actually improve both your physique and quality of life. Whether you compete in Classic Physique, Bodybuilding, Figure, Wellness, Bikini, or Men’s Physique, this conversation will help you make the right call. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week.

Are trace protein and trace macros actually ruining your macro tracking? In this episode, we break down whether bodybuilders should count trace protein, how meal frequency really impacts muscle growth, and why food variety may matter more than you think. We also dive into acne on cycle, high estrogen before a first cycle, and blood pressure management for enhanced athletes. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD 👉 https://j3u.site 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 Applied Hypertrophy Optimization → https://j3u.site/aho Female Physique Module → https://j3u.site/female All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass 💪 X-Frame (Male & Female): https://j3u.site/xframe 🏆 Olympia Prep: https://j3u.site/olympia 🏋️ Get Coaching From J3U https://j3u.site/coaching 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter 🧠 Coaching forums → https://j3u.site/forum 👨‍⚕ Marek Health Comprehensive blood work analysis and professional medical guidance 10% off your first comprehensive J3U panel + additional markers Code: J3U Affiliate link: https://marekhealth.com/J3U Follow Luke https://www.instagram.com/noswitchfitness?igsh=MTQydDN2bzF4c3oxYw== Follow John https://www.instagram.com/johnjewett3?igsh=cDgyd2N2YnI1dXoy

Most bodybuilders think they need more gear to grow… but that’s usually not the real problem. In this episode, we break down why many competitors stay stuck with the same physique year after year despite increasing PED doses. We cover offseason cycle design, lifestyle audits, recovery, GH use, side effects, and why better tracking often matters more than adding compounds. If your progress has stalled, this episode will probably change how you approach your next offseason. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum 👨‍⚕ Marek HealthComprehensive blood work analysis and professional medical guidance10% off your first comprehensive J3U panel + additional markersCode: J3UAffiliate link: https://marekhealth.com/J3U

Most lifters think they’re “growing” in the off season… but they’re actually setting themselves back months. In this episode, We break down the biggest mistakes we see—getting too fat too fast, poor sleep, inconsistent routines, and training decisions that lead straight to injury. If your off season isn’t producing real muscle, this is exactly what you need to fix. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week 🎟️ Save 20% on ANY J3U Program with code J3UPOD 👉 https://j3u.site 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 Applied Hypertrophy Optimization → https://j3u.site/aho Female Physique Module → https://j3u.site/female All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass 💪 X-Frame (Male & Female): https://j3u.site/xframe 🏆 Olympia Prep: https://j3u.site/olympia 🏋️ Get Coaching From J3U https://j3u.site/coaching 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter 🧠 Coaching forums → https://j3u.site/forum

Most competitors don’t miss their peak in peak week—they miss it months earlier by running prep in the wrong phases. In this episode, we break down the 4 exact phases of contest prep we use to consistently bring athletes in full, hard, and stage-ready. We also walk through when to push fat loss aggressively, when to grind, when to start bringing food back up, and why peak week should actually be the easiest part of prep. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD 👉 https://j3u.site 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 Applied Hypertrophy Optimization → https://j3u.site/aho Female Physique Module → https://j3u.site/female All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass 💪 X-Frame (Male & Female): https://j3u.site/xframe 🏆 Olympia Prep: https://j3u.site/olympia 🏋️ Get Coaching From J3U https://j3u.site/coaching 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter 🧠 Coaching forums → https://j3u.site/forum

Most lifters aren’t failing because they’re lazy—they’re failing because their training is overcomplicated. In this episode, we break down what actually drives hypertrophy and why chasing complexity is killing your progress. We will show you how to simplify your training so you can execute better, progress faster, and actually build muscle. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum

How often should you actually change your workout split — and is switching too soon killing your progress? In this episode, we break down the real science behind exercise rotation vs. repeatability, including what a 2021 study revealed about regional muscle growth and whether variety actually builds more muscle. We cover how your experience level should dictate how often you rotate, which muscle groups genuinely need exercise variety and which don’t, and how to structure your upper/lower split so you’re covering full muscle actions without stacking injury risk over time. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum

Most lifters aren’t limited by science — they’re limited by how hard they actually train. In this episode, we break down what truly drives hypertrophy from a real coaching perspective — beyond theory and into practical application. I sit down with Steve Hall to discuss evidence-based training, proximity to failure, deloads, volume management, and how advanced athletes actually keep progressing long term. If you’re serious about bodybuilding, coaching, or maximizing muscle growth, this conversation will challenge how you think about training. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum

Most lifters “maintain” after a bulk—and accidentally lose more progress than they realize. In this episode, we break down what actually determines whether you keep muscle after a growth phase: training stimulus + recovery, not a magic maintenance block. We walk you through the assessment we use before the push ends, when to go straight into a fat loss phase, and when a brief hold is smarter. If you want to stay time-efficient and keep stacking productive phases year after year, this is the framework. If you want more episodes like this — where we translate research into practical coaching decisions — subscribe and follow along each week. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum

2025 was supposed to be the most science-driven era of hypertrophy training — but instead, much of the “science-based” conversation turned into rigid dogma. In this episode, John Jewett and Luke unpack what actually happened, why black-and-white rules took over the internet, and what lifters and coaches should carry forward into 2026 if the goal is maximal muscle growth. They break down the biggest misapplications that dominated training discourse this year: the “4–8 reps only” narrative, confusion around training to failure, the misunderstood idea of “growing at maintenance,” and how lengthened partials became a one-size-fits-all prescription. The core message is clear — research is valuable, but only when applied with context. Exercise selection, fatigue management, skill level, risk tolerance, and long-term programming realities all matter if evidence is going to translate into real progress. This episode is a practical reminder that being truly science-minded doesn’t mean chasing rules — it means learning how to apply data intelligently in the real world. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum

What’s the single best exercise for building muscle in each upper-body muscle group—and which popular movements are actually overrated? In this episode of the J3 University Podcast, John Jewett and co-host Luke Miller break down their top upper-body exercise picks using a clear, systems-based framework focused on stimulus quality, repeatability, and long-term sustainability. They walk through what truly defines a “great” exercise, then apply that lens to chest, delts, upper back, and lats—highlighting where machines outperform free weights, why certain classics fall short for hypertrophy, and how individual structure and longevity should guide exercise selection. This is a practical, coach-to-coach discussion designed to help athletes and coaches make smarter programming decisions that hold up over time. 🎟️ Save 20% on ANY J3U Program with code J3UPOD👉 https://j3u.site All J3U Programs🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass💪 X-Frame (Male & Female): https://j3u.site/xframe🏆 Olympia Prep: https://j3u.site/olympia 🎓 CoursesLevel 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1Applied Hypertrophy Optimization → https://j3u.site/ahoFemale Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3Uhttps://j3u.site/coaching 💪 Join the Community📩 Weekly education emails → https://j3u.site/newsletter🧠 Coaching forums → https://j3u.site/forum

Most amateurs train hard, eat well, and still never reach IFBB Pro status. In this episode, Luke and I break down the real reasons talented bodybuilders stall at the amateur level. We cover controlled aggression, training skill, lifestyle constraints, offseason comfort, and why long-term consistency—not short bursts of effort—is what actually drives elite-level progress.🎟️ Save 20% on ANY J3U Program with code J3UPOD 👉 https://j3u.site All J3U Programs 🏋️‍♀️ Hourglass (Female): https://j3u.site/hourglass 💪 X-Frame (Male & Female): https://j3u.site/xframe 🏆 Olympia Prep: https://j3u.site/olympia 🎓 Courses Level 1 — Foundations of Evidence-Based Bodybuilding → https://j3u.site/level1 Applied Hypertrophy Optimization → https://j3u.site/aho Female Physique Module → https://j3u.site/female 🏋️ Get Coaching From J3U https://j3u.site/coaching 💪 Join the Community 📩 Weekly education emails → https://j3u.site/newsletter 🧠 Coaching forums → https://j3u.site/forum